Health/Science calendar

Climate change, the human dimension With its many low atolls scattered across the Pacific, the tiny nation of Kiribati is uniquely vulnerable to the effects of global warming-induced sea level rise. Under President Anote Tong's leadership, Kiribati recently created the world's largest marine reserve, the Phoenix Islands Protected Area. Tong will speak on the subject, and then join a panel discussion, starting at 5 p.m. at Science Center Lecture Hall D, 1 Oxford St., Cambridge. The event, part of Harvard University Center for the Environment and Bank of America's Green Conversations, is free.

The Hopi People The Peabody Museum of Archaeology and Ethnology and Tozzer Library at Harvard University, present a reception for a new exhibition that goes behind the scenes of an archaeological expedition at an ancient site sacred to the Hopi people. At 5 p.m. at 11 and 21 Divinity Ave. Cambridge. 617-495-1027.

Prescription for Survival Dr. Bernard Lown will host a discussion and signing of his book - "Prescription for Survival: A Doctor's Journey to End Nuclear Madness" - which tells how a group of Soviet and American doctors came together to stop nuclear proliferation and ended up winning the Nobel Peace Prize. At 7 p.m. at 1400 Massachusetts Ave, Cambridge. 617-499-2012 or hbooks@bncollege.com.

Language of Color A new exhibition at the Harvard Museum of Natural History will explore how animal colors - from the brilliant blue wings of a butterfly to the scarlet feathers of a tanager - are produced, the varied ways in which color is perceived, and the messages that animal colors can convey. At Harvard Museum of Natural History, 26 Oxford St., Cambridge. 617-495-3045 or hmnh.harvard.edu.

North American Thrombosis Summit This one-day symposium on clinical science and professional education is intended to provide a concise, state-of-the-art overview of prophylaxis measures and critical developments in the diagnosis, treatment, and prevention of thrombotic disorders. At 1620 Tremont St., Suite 3022 Roxbury Crossing. 617-525-8326.

Forum on Hearing and Balance The Department of Audiology at the Massachusetts Eye and Ear Infirmary will host experts from otolaryngology, audiology and research specialties to speak about medical and surgical therapies for hearing loss, understanding hearing aid technologies and features, and vestibular research. Continuing education credit is available for hearing and speech professionals. At 9 a.m. at 243 Charles St. 617-573-3265 to reserve a space.

MIT Museum's innovation weekend Festivities for the whole family throughout the weekend include music, demonstrations, lectures, and workshops such as one ongeodesic domes where children ages 10 and up can learnabout geometry and build their own dome. Noon to 4 pm at MIT Museum, 265 Massachusetts Ave., Cambridge. 617-253-5927 or web.mit.edu/museum.

Events may be sent to healthscience@globe.com.